Historical Inventions of the 20th Century and their Significance

Radio (Within the USA)

Jan 1, 1901

First radio used in USA >First Radio Signal</a>

Electricity development is in it's beginning stages of usefulness by the public.

Period: Jan 1, 1901 to Oct 1, 1908

Early Electrification

Plastic: Truly Making Things Possible

Period: Jan 1, 1907 to Dec 31, 1929

Finding Plastic

Automobile (Assembly Line)

Oct 1, 1908

Henry Ford' >Henry Ford</a>

England's 1st aircraft flight

Period: Oct 2, 1908 to Dec 12, 1912

Samuel Franklin Cody flew his British Army Aeroplane No 1

Airplane (First Flight)

Dec 10, 1912

The Wright Brothers' >Airplane Flight</a>

Nuclear Development

Period: Jan 1, 1913 to Dec 31, 1940

The race to build the atomic bomb.

Radar

Period: Oct 10, 1930 to Oct 10, 1938

Radar Begins

Television

Mar 1, 1941

First Televsion broadcast (USA)

Antibiotics

Feb 1, 1943

Penicilin' >Penicillin</a>

Nuclear Power

Dec 20, 1951

Used to create electricity' >Nucleat Power used for energy</a>

Submarine (Modern Nuclear Subs)

Jan 17, 1955

Nuclear Submarine' >First American Nuclear Submarine</a>

Video Games

Period: Jan 1, 1958 to Dec 31, 1971

Video Games Begin

Space Shuttle development and launch.

Period: Jan 1, 1958 to Dec 31, 1981

The Space Shuttle

Modern Rocketry (USA)

Jan 31, 1958

http://www.allstar.fiu.edu/aerojava/rock_hist1.html' >Rocketry History</a>

The first electronic desktop calculators.

Period: Jan 1, 1961 to Dec 31, 1978

Calculator Timeline

Cellphone development and production

Period: Jan 1, 1970 to Dec 31, 1999

Cellphone Timeline

The CFL light bulb.

Period: Jan 1, 1976 to Dec 31, 1985

Ed Hammer, a lighting research engineer for many years, invented the first compact fluorescent light bulb in 1976

Personal Computer (Apple Lisa)

Jan 15, 1983

http://www.history.com/topics/invention-of-the-pc' >History of the PC</a>

Internet (World Wide Web)

Apr 1, 1993

http://hnn.us/articles/when-was-internet-invented' >World Wide Web</a>